Blue-tufted Starthroat vs Allen's Hummingbird
Heliomaster furcifer comparado con Selasphorus sasin
Side-by-Side Comparison
| Atributo | Blue-tufted Starthroat | Allen's Hummingbird |
|---|---|---|
| Nombre científico | Heliomaster furcifer | Selasphorus sasin |
| Orden | Caprimulgiformes | Caprimulgiformes |
| Familia | Trochilidae | Trochilidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 10,8 cm (4.3 in) | 8,1 cm (3.2 in) |
| Peso | 5,7 g (0.20 oz) | 3,1500000000000004 g (0.11 oz) |
| Dieta | Nectarivore of open Argentine and Bolivian habitats; visits diverse shrub flowers. Catches small insects in … | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| Tamaño de la puesta | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Blue-tufted Starthroat only
Allen's Hummingbird only
Ninguno
Song & Call Comparison
Blue-tufted Starthroat
Buzzy, insect-like trill with rapid modulation; high-frequency buzz sustained briefly then repeated after pause.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Blue-tufted Starthroat
Found from Bolivia and Brazil south to Argentina and Uruguay in open woodland and scrub. Sea level to 1,500 m.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
Estado de conservación
Blue-tufted Starthroat
Allen's Hummingbird
How to Tell Them Apart
Blue-tufted Starthroat
Sparkling-tailed Hummingbird: males with brilliant violet gorget; metallic bronze-green; sparkling tail; females green above; spotted
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Blue-tufted Starthroat
El colibrí de pico largo de garganta azul habita en Argentina, Brasil, Bolivia y Paraguay. El macho tiene partes superiores verdes y un gorjal azul-violeta iridiscente. Se alimenta del néctar de flores de arbustos y árboles en bosques, bordes de bosque y zonas arboladas. Utiliza su pico largo para acceder al néctar de flores tubulares. Contribuye a la polinización de diversas plantas de América del Sur.
Allen's Hummingbird
A small hummingbird (8-9 cm) breeding along the Pacific coast from Oregon to southern California. Males have an orange-red throat and rufous flanks. Closely related to Rufous Hummingbird. Partial migrant; some populations resident on Channel Islands. Named after Thomas Allen.